package com.itheima.service;



import com.baomidou.mybatisplus.extension.service.IService;
import com.itheima.pojo.Category;

import java.util.List;

public interface CategoryService extends IService<Category> {

    void insert(Category category);
    void deleteById(Long id);

    void update(Category category);

    List<Category> list(Integer type);



}
